A man arranges a display of cacti during preparations for the RHS Chelsea Flower Show in London, Britain May 21, 2016. (Photo by Neil Hall/Reuters)

A Saudi soldier fires a mortar towards Houthi movement position, at the Saudi border with Yemen April 21, 2015. (Photo by Reuters/Stringer)

A runner in fancy dress participates in the Virgin London Marathon 2013 on April 21, 2013 in London, England. (Photo by Tom Dulat/Getty Images)

Women wear traditional Hanbok dresses as they walk past fallen autumn leaves in Seoul on November 21, 2022. (Photo by Anthony Wallace/AFP Photo)

An ambulance with emergency lights on makes its way through snowfall in Iowa, US on December 21, 2022. (Photo by Joseph Cress/AP Photo)

A South Sudanese People Liberation Army (SPLA) soldier patrols the streets in Malakal on January 21, 2014. (Photo by Harrison Ngethi/AFP Photo)

Palestinians walk at the site of Israeli strikes on houses, in Jabalia refugee camp in the northern Gaza Strip on November 21, 2023. (Photo by Abed Sabah/Reuters)

Swimmer silhouetted in a waterslide in the coastal suburb of Glenelg, Adelaide, Australia on January 21, 2025. (Photo by Amer Ghazzal/Alamy Live News)